BMW 7 Series (2019) is 434 mm (17.09 inch) longer, 92 mm (3.62 inch) wider, 25 mm (0.98 inch) higher and has 35 liters (1.24 ft3) bigger cargo space than Mercedes C-Class (2014).
Mercedes C-Class (2014) is 530 kg (1,168 lbs) lighter than BMW 7 Series (2019).